<style>
    /**
   * style.css
   */
  
    .header {
      align-content: center;
      align-items: stretch;
      box-shadow:
        0 4px 5px 0 rgba(0, 0, 0, 0.14),
        0 2px 9px 1px rgba(0, 0, 0, 0.12),
        0 4px 2px -2px rgba(0, 0, 0, 0.2);
      display: flex;
      flex-direction: row;
      flex-wrap: nowrap;
      font-size: 20px;
      height: 5vh;
      min-height: 50px;
      justify-content: flex-start;
      padding: 16px 16px 0 16px;
      position: fixed;
      transition: transform 0.233s cubic-bezier(0, 0, 0.21, 1) 0.1s;
      width: 100%;
      will-change: transform;
      z-index: 1000;
      margin: 0;
    }
  
    .header h1 {
      flex: 1;
      font-size: 20px;
      font-weight: 400;
      margin-top: 7px;
    }
  
  
    body {
      font-family: "Benton Sans", "Helvetica Neue", helvetica, arial, sans-serif;
      margin: 0;
    }
  
    canvas {
      border-width: 1px;
      border-style: solid;
    }
  
    p {
      margin: 0.2em;
    }
  
    button {
      font-size: 0.9em;
      margin: 5px 10px;
    }
  
    .serial-input {
      margin: 10px 0;
      height: 3vh;
      line-height: 3vh;
    }
  
    .serial-input input {
      font-family: Consolas, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace;
      font-size: 0.8em;
      width: 90%;
      border-width: 1px;
      border-style: solid;
    }
  
    .serial-input input:disabled {
      border-width: 1px;
      border-style: solid;
    }
  
    .serial-input button {
      width: 8%;
      margin: 0 auto;
    }
  
    .main {
      flex: 1;
      overflow-x: hidden;
      overflow-y: auto;
      height: 320px;
      /* padding-top: 80px;
    padding-left: 1em;
    padding-right: 1em; */
    }
  
    .hidden {
      display: none;
    }
  
    .controls {
      height: 3vh;
      line-height: 3vh;
    }
  
    .controls span {
      margin-left: 8px;
    }
  
    .chart-container {
      position: relative;
      height: 100%;
      width: 240px;
      /* margin: 10px auto; */
    }
  
    #notSupported {
      padding: 1em;
      margin-top: 1em;
      margin-bottom: 1em;
    }
  
    #log {
      height: 30vh;
      width: 100%;
      font-family: Consolas, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace;
      font-size: 0.8em;
      border-width: 1px;
      border-style: solid;
      overflow-x: hidden;
      overflow-x: auto;
      transition: color 0.1s linear;
    }
  
    /* light.css */
  
    .header {
      background: #000;
      color: #fff;
    }
  
    body {
      background-color: #efefef;
    }
  
    canvas {
      border-color: purple;
      background-color: #fff;
    }
  
    input,
    select,
    button {
      background-color: #fff;
      color: #000;
    }
  
    .serial-input input {
      border-color: purple;
    }
  
    .serial-input input:disabled {
      border-color: #ccc;
    }
  
    .timestamp {
      color: #999;
    }
  
    #notSupported {
      background-color: red;
      color: white;
    }
  
    #log {
      border-color: purple;
      background-color: #fff;
      color: #333;
    }
  </style>
  
  <div class="chart-container">
    <canvas id="myChart" class="fullscreen" aria-label="A line chart showing data output from a CPX" role="img">
    </canvas>
  </div>